Tread of a tire



FIG. 1 is a perspective view of a tread of a tire of the present invention, it being understood that the pattern is repeated uniformly throughout the circumference of the tread;

FIG. 2 is a front elevational view thereof; and,

FIG. 3 is a side elevational view thereof.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a tread of a tire, as shown and desribed. 